我在使用基础亚马逊ami linux的Ec2上-我已经安装了jenkins，但是当我从github提取仓库时，出现以下错误：

Building in workspace /var/lib/jenkins/workspace/build social
Checkout:build social / /var/lib/jenkins/workspace/build social - hudson.remoting.LocalChannel@5c7b21b
Using strategy: Default
Cloning the remote Git repository
Cloning repository origin
ERROR: Error cloning remote repo 'origin' : Could not clone git@github.com:adulion/.git
hudson.plugins.git.GitException: Could not clone git@github.com:adulion/.git
    at hudson.plugins.git.GitAPI.clone(GitAPI.java:245)
    at hudson.plugins.git.GitSCM$2.invoke(GitSCM.java:1117)
    at hudson.plugins.git.GitSCM$2.invoke(GitSCM.java:1059)
    at hudson.FilePath.act(FilePath.java:832)
    at hudson.FilePath.act(FilePath.java:814)
    at hudson.plugins.git.GitSCM.checkout(GitSCM.java:1059)
    at hudson.model.AbstractProject.checkout(AbstractProject.java:1218)
    at hudson.model.AbstractBuild$AbstractRunner.checkout(AbstractBuild.java:581)
    at hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:470)
    at hudson.model.Run.run(Run.java:1421)
    at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46)
    at hudson.model.ResourceController.execute(ResourceController.java:88)
    at hudson.model.Executor.run(Executor.java:238)
Caused by: hudson.plugins.git.GitException: Command "git clone --progress -o origin git@github.com:adulion/.git /var/lib/jenkins/workspace/build social" returned status code 128:
stdout: Cloning into /var/lib/jenkins/workspace/build social...

stderr: Host key verification failed.
fatal: The remote end hung up unexpectedly

我已经为安装jenkins的当前用户生成了一个密钥，并已设法使用git命令行克隆了仓库，但jenkins无法。

我已经将〜/ .ssh文件复制到/var/lib/jenkins/.ssh

我已经将github添加到已知主机，并且我用光了所有解决方案。有人知道我要去哪里错吗？有没有办法让詹金斯显示它正在使用的公钥，并且我可以调试它是否使用了正确的公钥？

我删除了回购的名称，因为它是私人回购